| 
                 
                    Closing price on 3/22/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    61.00 | 
                 
                
                    | High | 
                    62.00 | 
                 
                
                    | Low | 
                    60.50 | 
                     
                
                    | Volume | 
                    50,788 | 
                                 
                
                    | Split-adjusted Price | 
                    14.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/22/2016
             | 
            
                +1.70 / +2.82%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                60.50
             |                           
            
                62.00
             | 
            
                61.09
             |                     
            
                14.52
             |                                 
            
                50,788
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2016
             | 
            
                +2.30 / +3.97%
             |             
            
                58.00
             |           
            
                61.50
             |               
            
                57.80
             |                           
            
                60.30
             | 
            
                59.74
             |                     
            
                14.12
             |                                 
            
                87,466
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2016
             | 
            
                +1.30 / +2.29%
             |             
            
                57.50
             |           
            
                58.90
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                57.91
             |                     
            
                13.58
             |                                 
            
                36,240
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2016
             | 
            
                -0.30 / -0.53%
             |             
            
                57.10
             |           
            
                57.10
             |               
            
                56.70
             |                           
            
                56.70
             | 
            
                56.93
             |                     
            
                13.27
             |                                 
            
                13,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2016
             | 
            
                +0.10 / +0.18%
             |             
            
                57.40
             |           
            
                57.40
             |               
            
                56.70
             |                           
            
                57.00
             | 
            
                56.96
             |                     
            
                13.34
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2016
             | 
            
                -0.90 / -1.56%
             |             
            
                57.60
             |           
            
                57.60
             |               
            
                56.80
             |                           
            
                56.90
             | 
            
                57.13
             |                     
            
                13.32
             |                                 
            
                21,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2016
             | 
            
                +0.20 / +0.35%
             |             
            
                57.60
             |           
            
                57.80
             |               
            
                57.20
             |                           
            
                57.80
             | 
            
                57.54
             |                     
            
                13.53
             |                                 
            
                7,736
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.60
             | 
            
                57.63
             |                     
            
                13.49
             |                                 
            
                11,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2016
             | 
            
                -0.30 / -0.52%
             |             
            
                57.50
             |           
            
                57.90
             |               
            
                56.80
             |                           
            
                57.60
             | 
            
                57.90
             |                     
            
                13.49
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2016
             | 
            
                +1.40 / +2.48%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.60
             |                           
            
                57.90
             | 
            
                57.63
             |                     
            
                13.56
             |                                 
            
                11,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2016
             | 
            
                -1.10 / -1.91%
             |             
            
                57.50
             |           
            
                57.80
             |               
            
                56.00
             |                           
            
                56.50
             | 
            
                56.99
             |                     
            
                13.23
             |                                 
            
                28,820
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2016
             | 
            
                -1.30 / -2.21%
             |             
            
                58.80
             |           
            
                58.90
             |               
            
                57.60
             |                           
            
                57.60
             | 
            
                58.50
             |                     
            
                13.49
             |                                 
            
                22,454
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2016
             | 
            
                -0.40 / -0.67%
             |             
            
                59.30
             |           
            
                59.50
             |               
            
                58.90
             |                           
            
                58.90
             | 
            
                59.25
             |                     
            
                13.79
             |                                 
            
                19,986
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2016
             | 
            
                +0.40 / +0.68%
             |             
            
                57.50
             |           
            
                59.30
             |               
            
                57.00
             |                           
            
                59.30
             | 
            
                58.72
             |                     
            
                13.88
             |                                 
            
                25,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2016
             | 
            
                +1.40 / +2.43%
             |             
            
                57.50
             |           
            
                58.90
             |               
            
                57.50
             |                           
            
                58.90
             | 
            
                58.37
             |                     
            
                13.79
             |                                 
            
                51,058
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2016
             | 
            
                +1.40 / +2.50%
             |             
            
                56.20
             |           
            
                57.70
             |               
            
                56.00
             |                           
            
                57.50
             | 
            
                56.78
             |                     
            
                13.46
             |                                 
            
                13,215
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2016
             | 
            
                -0.30 / -0.53%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.10
             | 
            
                56.46
             |                     
            
                13.13
             |                                 
            
                8,885
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2016
             | 
            
                -0.50 / -0.88%
             |             
            
                57.00
             |           
            
                57.40
             |               
            
                56.00
             |                           
            
                56.40
             | 
            
                56.48
             |                     
            
                13.20
             |                                 
            
                17,711
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2016
             | 
            
                -1.30 / -2.23%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.20
             |                           
            
                56.90
             | 
            
                57.28
             |                     
            
                13.32
             |                                 
            
                32,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2016
             | 
            
                -0.70 / -1.19%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.00
             |                           
            
                58.20
             | 
            
                58.12
             |                     
            
                13.63
             |                                 
            
                15,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                59.20
             |           
            
                59.50
             |               
            
                58.00
             |                           
            
                58.90
             | 
            
                58.98
             |                     
            
                13.79
             |                                 
            
                51,442
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2016
             | 
            
                +0.50 / +0.85%
             |             
            
                58.50
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                59.00
             | 
            
                59.02
             |                     
            
                13.81
             |                                 
            
                88,006
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2016
             | 
            
                +2.00 / +3.54%
             |             
            
                56.50
             |           
            
                58.70
             |               
            
                56.50
             |                           
            
                58.50
             | 
            
                57.43
             |                     
            
                13.70
             |                                 
            
                69,911
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2016
             | 
            
                -0.10 / -0.18%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                56.40
             |                           
            
                56.50
             | 
            
                56.56
             |                     
            
                13.23
             |                                 
            
                13,205
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2016
             | 
            
                +1.60 / +2.91%
             |             
            
                55.00
             |           
            
                56.90
             |               
            
                54.00
             |                           
            
                56.60
             | 
            
                55.02
             |                     
            
                13.25
             |                                 
            
                51,610
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2016
             | 
            
                +1.50 / +2.80%
             |             
            
                53.50
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                55.00
             | 
            
                54.07
             |                     
            
                12.88
             |                                 
            
                34,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2016
             | 
            
                +0.40 / +0.75%
             |             
            
                53.50
             |           
            
                54.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.68
             |                     
            
                12.53
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2016
             | 
            
                -2.20 / -3.98%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.10
             |                           
            
                53.10
             | 
            
                54.00
             |                     
            
                12.43
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2016
             | 
            
                +1.90 / +3.56%
             |             
            
                53.40
             |           
            
                55.30
             |               
            
                53.40
             |                           
            
                55.30
             | 
            
                53.40
             |                     
            
                12.95
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2016
             | 
            
                0.00 / 0.00%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                53.00
             |                           
            
                53.40
             | 
            
                53.42
             |                     
            
                12.50
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |